Read Sony MEX-N4000BE / MEX-N4000BT / MEX-N4050BT / MEX-N4070BT Service Manual online
MEX-N4000BE/N4000BT/N4050BT/N4070BT
48
Pin No.
Pin Name
I/O
Description
121
Vss
-
Ground terminal
122
RE_ON
O
Jog dial pulse pull-up signal output terminal
123
PVcc
-
Power supply terminal (+3.3V) (for I/O)
124
MEC_DSW
I
Chucking end detection switch input terminal
125
I2C0_SCL
O
Serial data transfer clock signal output to the electrical volume, regulator and EEPROM
126
I2C0_SDA
I/O
Two-way data bus with the electrical volume, regulator and EEPROM
127
I2C1_SCL
O
Serial data transfer clock signal output to the tuner unit
128
I2C1_SDA
I/O
Two-way data bus with the tuner unit
129, 130
NC
-
Not used
131, 132
RE_IN0, RE_IN1
I
Jog dial pulse input from the rotary encoder
133
BT_TX
O
Serial data output to the BT module
134
USB_CHG_MOD2
O
USB charge control signal output terminal Not used
135
DOOR_SW
I
Front panel remove/attach detection signal input terminal “L”: Front panel is attached
136
SIRCS
I
Remote control signal input from the front panel block
137
MEC_SELFSW
I
Self loading position detection switch input terminal
138
Vss
-
Ground terminal
139
USB_X1
I
System clock input terminal (48 MHz)
140
USB_X2
O
System clock output terminal (48 MHz)
141
USBDPVcc
-
Power supply terminal (+3.3V) (for USB digital)
142
USBDPVss
-
Ground terminal (for USB digital)
143 to
145
NC
-
Not used
146
USBDVcc
-
Power supply terminal (+1.18V) (for USB digital)
147
USBDVss
-
Ground terminal (for USB digital)
148
USBDPVcc
-
Power supply terminal (+3.3V) (for USB digital)
149
USBDPVss
-
Ground terminal (for USB digital)
150
DM0
I/O
Two-way USB data (–) bus with the USB connector
151
DP0
I/O
Two-way USB data (+) bus with the USB connector
152
VBUSIN0
I
VBUS power detection signal input terminal “H”: VBUS power is detected
153
USBDVcc
-
Power supply terminal (+1.18V) (for USB digital)
154
USBDVss
-
Ground terminal (for USB digital)
155
REFRIN
I
External resistor connection terminal
156
USBAPVss
-
Ground terminal (for USB analog)
157
USBAPVcc
-
Power supply terminal (+3.3V) (for USB analog)
158
USBAVcc
-
Power supply terminal (+1.18V) (for USB analog)
159
USBAVss
-
Ground terminal (for USB analog)
160
USBUVcc
-
Power supply terminal (+1.18V) (for USB 48 MHz)
161
USBUVss
-
Ground terminal (for USB 48 MHz)
162, 163
Vss
-
Ground terminal
164, 165
NC
-
Not used
166
SF1_D2
O
Write protect signal output to the serial fl ash
167
SF1_D3
O
Hold signal output to the serial fl ash
168
SF1_CLK
O
Serial data transfer clock signal output to the serial fl ash
169
SF1_CE
O
Chip select signal output to the serial fl ash
170
SF1_D0
O
Serial data output to the serial fl ash
171
Vss
-
Ground terminal
172
SF1_D1
I
Serial data input from the serial fl ash
173
USB_CHG_MOD1
O
USB charge control signal output terminal Not used
174
PVcc
-
Power supply terminal (+3.3V) (for I/O)
175
ATT
O
Audio muting on/off control signal output terminal “H”: muting on
176
HIT2_RESET
O
Reset signal output to the tuner unit “L”: reset
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